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Q.

. We discussed ________ channelization protocols

A

two

B

three

C

four

D

none of the above

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MCQ

1.

_______ is a multiple-access method in which the available bandwidth of a link is shared in time, frequency, or through code, between different stations

A

Random access

B

Controlled access

C

Channelization

D

none of the above

Discussion

MCQ

2.

SDH has defined a hierarchy of signals called ________.

A

STSs

B

STMs

C

either (a) or (b)

D

neither (a) nor (b)

Discussion

MCQ

3.

In IEEE 802.11, _______ is an optional access method that can be implemented in an infrastructure network (not in an ad hoc network)

A

DCF

B

PCF

C

either (a) or (b)

D

neither (a) nor (b)

Discussion

MCQ

4.

In IEEE 802.11, communication between two stations in two different BSSs usually occurs via two ________.

A

BSSs

B

ESSs

C

APs

D

none of the above

Discussion

MCQ

5.

Bit stuffing means adding an extra 0 to the data section of the frame when there is a sequence of bits with the same pattern as the ________

A

header

B

trailer

C

flag

D

none of the above

Discussion

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